Button.RenderContents Method (HtmlTextWriter)
.NET Framework (current version)
Renders the contents of the control to the specified writer.
Assembly: System.Web (in System.Web.dll)
Parameters
- writer
-
Type:
System.Web.UI.HtmlTextWriter
A System.Web.UI.HtmlTextWriter object that represents the output stream to render HTML content on the client.
The following code example demonstrates how to override the RenderContents method in a custom server control so that it always displays text following a custom Button server control.
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %> <%@ Page language="c#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <title>Custom Button - RenderContents - C# Example</title> </head> <body> <form id="Form1" method="post" runat="server"> <h3>Custom Button - RenderContents - C# Example</h3> <aspSample:CustomButtonRenderContents id="Button1" runat="server" Text="Button" /> </form> </body> </html>
using System.Web; using System.Security.Permissions; namespace Samples.AspNet.CS.Controls { [AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)] public sealed class CustomButtonRenderContents : System.Web.UI.WebControls.Button { protected override void RenderContents(System.Web.UI.HtmlTextWriter writer) { // Call the base RenderContents method. base.RenderContents(writer); // Append some text after the button. writer.Write("<br>Click this button for more information."); } } }
.NET Framework
Available since 1.1
Available since 1.1
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